| Index | Barrington | Illinois | National |
| Average Test Scores | 61% | 33% | 48% |
| Student/Teacher ratio | 18:1 | 18:1 | 16:1 |
| Total public schools | 9 | 3,938 | 79,221 |
| Total private schools | 4 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Barrington | Illinois | National |
| Completed 8th grade | 95.5% | 86.2% | 84.3% |
| Completed high school | 94.2% | 84.7% | 83.0% |
| Completed some college | 85.9% | 61.8% | 59.4% |
| Completed associate degree | 69.5% | 40.7% | 38.5% |
| Completed bachelors | 65.4% | 32.9% | 30.3% |
| Completed masters | 28.6% | 12.7% | 11.5% |
| Completed professional degree | 8.2% | 3.4% | 3.3% |
| Completed doctorate | 1.0% | 1.2% | 1.3% |
There are a total of 9 public schools, 4 private schools and n/a post-secondary schools in Barrington. Using the proficiency score averages, the average test scores for Barrington, IL schools is 61%. The average student to teacher ratio is 18:1. In Barrington, IL, an average of 95.5% of students have completed 8th grade and an average of 94.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lincolnshire, IL | 7,694 | 78% | 62.8% |
| Bannockburn, IL | 1,194 | 77% | 60.4% |
| Deerfield, IL | 19,030 | 77% | 59.4% |
| Northbrook, IL | 33,216 | 72% | 50.7% |
| Libertyville, IL | 20,300 | 71% | 48.7% |
| Barrington, IL | 10,442 | 61% | 26.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Bellefontaine Neighbors, MO | 10,441 | 13% | 74.0% |
| Budd Lake, NJ | 10,444 | 66% | 37.8% |
| Mount Sinai, NY | 10,446 | 71% | 48.3% |
| Vernal, UT | 10,449 | 38% | 21.6% |
| Exeter, CA | 10,433 | 38% | 20.0% |
| Barrington, IL | 10,442 | 61% | 26.2% |
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